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context: handle context errors

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When the context is in error it might be unreffed. Make sure we don't
ever unref the core from the callback because that is not allowed.
Instead, add a defered to the mainloop to clean up later.
This commit is contained in:
Wim Taymans 2019-03-14 13:23:20 +01:00
parent cb7b25277b
commit 49c99f8dee
3 changed files with 65 additions and 4 deletions
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47
src/mainloop.c
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@ -23,6 +23,7 @@
#include <pipewire/loop.h>
#include <pulse/mainloop.h>
#include <pulse/xmalloc.h>
#include "internal.h"
@ -376,3 +377,49 @@ void pa_mainloop_set_poll_func(pa_mainloop *m, pa_poll_func poll_func, void *use
{
pw_log_warn("Not Implemented");
}
struct once_info {
void (*callback)(pa_mainloop_api*m, void *userdata);
void *userdata;
};
static void once_callback(pa_mainloop_api *m, pa_defer_event *e, void *userdata) {
struct once_info *i = userdata;
pa_assert(m);
pa_assert(i);
pa_assert(i->callback);
i->callback(m, i->userdata);
pa_assert(m->defer_free);
m->defer_free(e);
}
static void free_callback(pa_mainloop_api *m, pa_defer_event *e, void *userdata) {
struct once_info *i = userdata;
pa_assert(m);
pa_assert(i);
pa_xfree(i);
}
void pa_mainloop_api_once(pa_mainloop_api* m, void (*callback)(pa_mainloop_api *m, void *userdata), void *userdata) {
struct once_info *i;
pa_defer_event *e;
pa_assert(m);
pa_assert(callback);
pa_init_i18n();
i = pa_xnew(struct once_info, 1);
i->callback = callback;
i->userdata = userdata;
pa_assert(m->defer_new);
pa_assert_se(e = m->defer_new(m, once_callback, i));
m->defer_set_destroy(e, free_callback);
}